digraph invoke {
rankdir=LR;
node [shape=box];

note [shape=note, label="灰色节点为直接依赖的外部方法/类/第三方库"];
<#list allLabels as label>
    ${label.id} [label="${label.sig}"];
</#list>

<#list outerIds as outerId>
    ${outerId}  [style=filled];
</#list>

<#list IdRlts as r>
    ${r.src} -> ${r.tgt};
</#list>

}
